Prezentat acum: Statele Unite (SUA) - Timbre pentru protejarea păsărilor migratoare - Ministerul de Interne (1960 - 1969) - 1 timbre.
1968
Department of the Interior Duck Stamps - Hooded Mergansers
1. Iulie WM: Niciunul Design: Leonard E. Buckley Perforare: 11¼ x 11
![[Department of the Interior Duck Stamps - Hooded Mergansers, Tip AD]](https://www.stampworld.com/media/catalogue/United-States/Department-of-the-interior-duck-stamps/AD-s.jpg)
